Revision f43ad0fe

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libavutil/pca.h
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 * Principal component analysis
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 */
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struct PCA *ff_pca_init(int n);
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void ff_pca_free(struct PCA *pca);
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void ff_pca_add(struct PCA *pca, double *v);
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int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue);
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typedef struct PCA{
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    int count;
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    int n;

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